flutter_treeview library Null safety

Classes

ExpanderThemeData
Defines the appearance of the expander icons.
Node<T>
Defines the data used to display a TreeNode.
TreeNode
Defines the TreeNode widget.
TreeView
Defines the TreeView widget.
TreeViewController
Defines the controller needed to display the TreeView.
TreeViewTheme
Defines the appearance of the TreeView.
Utilities

Enums

ExpanderModifier
Defines whether expander icon has a circle or square shape and whether it is outlined or filled.
ExpanderPosition
Defines whether expander icon is shown on the left or right side of the parent node label.
ExpanderType
Defines the type expander icon displayed. All types except the plus-minus type will be animated
InsertMode
Defines the insertion mode adding a new Node to the TreeView.